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Christmas Tree Nutrient Management Guide for Western Oregon and Washington

A comprehensive guide to fertilization and nutrient management in Christmas tree fields. Discusses tree nutrient use at various stages in the crop cycle and explains how to use soil and tissue testing to determine fertilizer ...

Brad Withrow-Robinson, Chal Landgren, Michael Bondi | Sep 2009 | OSU Extension Catalog

Growing Christmas Trees in the Pacific Northwest

A guide for the prospective and novice Christmas tree grower. Includes how to evaluate risk and potential for return. Discusses the tree growing cycle, tasks and time requirements, pertinent laws and regulations, and costs, ...

Chal Landgren, Michael Bondi | Jun 2003 | OSU Extension Catalog

Are madrone trees mean?

Q: I have a small grove of Madrones behind my house. I have put a couple of annual beds under them but nothing seems to grow under them. I have looked all over the net to no avail on this issue. I did amend the ...

A: View answer | View all featured questions

Use Caution When Irrigating Oaks and Madrones

Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.

Jun 2018 | Article

Stressed trees show dieback

Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.

Mar 2018 | Article

What’s Wrong With My Madrone?

This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.

Max Bennett, Dave Shaw | Nov 2006 | Article

Native madrones are special to the Northwest

There are probably few plants that are more strongly identified with this area or are held in greater affection than the madrone tree.

Jan 27, 2006 | News Story

Taking the Research on the Road: The Future of Oregon's Farmland

Almost two-thirds of Oregon’s agricultural land will be changing hands in the next two decades, but the vast majority of Oregon farmers and ranchers have not formalized plans to pass their land and businesses to the next ...

Nellie McAdams | Oct 2017 | Article

Changing Lands, Changing Hands: Report From The National Conference

The United States is fortunate to have 50 state “laboratories” with unique programs and policies to sample from. Yet state practitioners seldom have the chance to learn deeply about their peers’ hard-won lessons in order to...

Nellie McAdams | Oct 2017 | Article